Code of practice for installation, operation and maintenance of electric passenger and goods lifts 

 - 2nd rev. 
 - New Delhi  Bureau of Indian standards institution  1981 
<br/><br/><label>Subjects--Index Terms: </label>IS:1860-1980 
<br/><br/><label>Dewey Class. No.: </label>621.876.113/.114.005-83:006.76